K4OKK
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderHARDEN, CARRIE E
License ClassTechnician
Min. Class RequiredGeneral
LocationRANCHO SANTA MARGARI, CA
Grant DateJul 28, 2026
Expiration DateJul 28, 2036
K4OKK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by HARDEN, CARRIE E in RANCHO SANTA MARGARI, CA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Rodriguez, Edward on Jul 10, 2026. K4OKK has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --- -.- -.-
CW Weight: 37 units(Moderate)
Voice Phonetics
Kilo Four Oscar Kilo Kilo
Readability: 8/10(High readability)
License History
- License IssuedJul 28, 2026
- Vanity Callsign GrantedJul 28, 2026
- License ExpiredJun 21, 2018
- License RenewedMay 4, 2006
- Tax ID (TIN) AddedMay 2, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Rodriguez, EdwardFiled Jul 10, 2026Not awardedFCC ↗